<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="开发商名称" prop="developerName">
        <el-input
          v-model="queryParams.developerName"
          placeholder="请输入开发商名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['developer:developer:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['developer:developer:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['developer:developer:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['developer:developer:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="developerList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="开发商名称" align="center" prop="developerName" />
      <el-table-column label="排序" align="center" prop="developerSorting" />
      <el-table-column label="状态" align="center" prop="developerStatus">
        <template #default="scope">
          <el-switch
            v-model="scope.row.developerStatus"
            :active-value="1"
            :inactive-value="2"
            active-color="#13ce66"
            inactive-color="#ff4949"
            @change="handleStatusChange(scope.row)"
          >
          </el-switch>
          <span style="margin-left: 10px;">
            {{ scope.row.developerStatus === 1 ? '正常' : '禁用' }}
          </span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['developer:developer:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['developer:developer:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改开发商列表对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="开发商名称" prop="developerName">
          <el-input v-model="form.developerName" placeholder="请输入开发商名称" />
        </el-form-item>
        <el-form-item label="缩略图" prop="developerImages">
          <el-upload
            class="avatar-uploader"
            :action="uploadUrl"
            :headers="uploadHeaders"
            :show-file-list="false"
            :on-success="handleAvatarSuccess"
          >
            <img v-if="form.developerImages" :src="form.developerImages" class="avatar">
            <i v-else class="el-icon-plus avatar-uploader-icon"></i>
          </el-upload>
        </el-form-item>
        <el-form-item label="介绍" prop="developerIntroduction">
          <el-input v-model="form.developerIntroduction" placeholder="请输入介绍" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listDeveloper, getDeveloper, delDeveloper, addDeveloper, updateDeveloper } from "@/api/developer/developer"


export default {
  name: "Developer",
  data() {
    return {
      // 上传图片的URL
      uploadUrl: process.env.VUE_APP_BASE_API + "/common/upload",
      // 上传图片的请求头
      uploadHeaders: {
        Authorization: "Bearer " + this.$store.getters.token
      } ,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 开发商列表表格数据
      developerList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        developerName: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        developerName: [
          { required: true, message: "开发商名称不能为空", trigger: "blur" }
        ],
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {
    // 处理状态变更
    handleStatusChange(row) {
      let text = row.developerStatus === "1" ? "启用" : "停用";
      this.$modal.confirm('确认要"' + text + '""' + row.developerName + '"吗？').then(() => {
        return updatePurchase({ 
          developerId: row.developerId, 
          developerStatus: row.developerStatus 
        });
      }).then(() => {
        this.$modal.msgSuccess(text + "成功");
      }).catch(() => {
        // 恢复状态
        row.developerStatus = row.developerStatus === "1" ? "2" : "1";
      });
    },

  // 上传图片成功处理
  handleAvatarSuccess(res, file) {
    if (res.code === 200) {
      this.form.developerImages = res.fileName;
    } else {
      this.$modal.msgError(res.msg);
    }
  },
  
  // 上传图片前处理
  beforeAvatarUpload(file) {
    const isJPG = file.type === 'image/jpeg' || file.type === 'image/png';
    const isLt2M = file.size / 1024 / 1024 < 2;
    
    if (!isJPG) {
      this.$modal.msgError('上传头像图片只能是 JPG/PNG 格式!');
    }
    if (!isLt2M) {
      this.$modal.msgError('上传头像图片大小不能超过 2MB!');
    }
    return isJPG && isLt2M;
  },
    /** 查询开发商列表列表 */
    getList() {
      this.loading = true
      listDeveloper(this.queryParams).then(response => {
        // 确保所有状态值都是字符串格式
        this.developerList = response.rows.map(item => ({
          ...item,
          developerStatus: String(item.developerStatus)
        }))
        this.total = response.total
        this.loading = false
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        developerId: null,
        developerName: null,
        developerSorting: null,
        developerStatus: null,
        developerImages: null,
        developerIntroduction: null
      }
      this.resetForm("form")
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm")
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.developerId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = "添加开发商列表"
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const developerId = row.developerId || this.ids
      getDeveloper(developerId).then(response => {
        this.form = response.data
        this.open = true
        this.title = "修改开发商列表"
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.developerId != null) {
            updateDeveloper(this.form).then(response => {
              this.$modal.msgSuccess("修改成功")
              this.open = false
              this.getList()
            })
          } else {
            addDeveloper(this.form).then(response => {
              this.$modal.msgSuccess("新增成功")
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const developerIds = row.developerId || this.ids
      this.$modal.confirm('是否确认删除开发商列表编号为"' + developerIds + '"的数据项？').then(function() {
        return delDeveloper(developerIds)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess("删除成功")
      }).catch(() => {})
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('developer/developer/export', {
        ...this.queryParams
      }, `developer_${new Date().getTime()}.xlsx`)
    }
  }
}
</script>
<style scoped>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.avatar-uploader .el-upload:hover {
  border-color: #409EFF;
}

.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}

.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>

